805857921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 1290569280

約数和(自身を除く): 484711359

約数列:

[1, 3, 9, 11, 33, 99, 139, 157, 373, 417, 471, 1119, 1251, 1413, 1529, 1727, 3357, 4103, 4587, 5181, 12309, 13761, 15543, 21823, 36927, 51847, 58561, 65469, 155541, 175683, 196407, 240053, 466623, 527049, 570317, 644171, 720159, 1710951, 1932513, 2160477, 5132853, 5797539, 8139979, 24419937, 73259811, 89539769, 268619307, 805857921]

約数ペア:

[(1, 805857921), (3, 268619307), (9, 89539769), (11, 73259811), (33, 24419937), (99, 8139979), (139, 5797539), (157, 5132853), (373, 2160477), (417, 1932513), (471, 1710951), (1119, 720159), (1251, 644171), (1413, 570317), (1529, 527049), (1727, 466623), (3357, 240053), (4103, 196407), (4587, 175683), (5181, 155541), (12309, 65469), (13761, 58561), (15543, 51847), (21823, 36927)]